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arxiv: 1711.03751 · v2 · pith:6PK2IZB7new · submitted 2017-11-10 · 🧮 math.DG

The Laplacian coflow on almost-abelian Lie groups

classification 🧮 math.DG
keywords laplaciancoflowalmost-abeliangroupsboundedconstructeigenformsexamples
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We find explicit solutions of the Laplacian coflow of $G_2-$structures on seven-dimensional almost-abelian Lie groups. Moreover, we construct new examples of solitons for the Laplacian coflow which are not eigenforms of the Laplacian and we exhibit a solution, which is not a soliton, having a bounded interval of existence.

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